CN217700607U - Miniaturized harmless treatment device for medical waste - Google Patents

Abstract

The utility model relates to a small-sized harmless treatment device for medical waste, which comprises a feeding device, a steam generator, an electric gate valve and a plurality of microwave generators, wherein a feed bin is positioned at one side of the feeding device, and the feeding device is used for dumping the medical waste in a turnover box into the feed bin; the crushing device is arranged at the outlet of the feeding bin and is used for crushing medical waste; a feeding inlet of the feeding device is connected with a crushing outlet of the crushing device; a disinfection feed port of the disinfection bin is connected with a feeding and discharging port of the feeding device through an electric gate valve, the disinfection bin is also connected with a steam generator, and the microwave generator is fixed on the disinfection bin; the waste gas treatment device is connected with an exhaust port of the disinfection bin; the discharging inlet of the discharging device is positioned at the sterilizing outlet of the sterilizing bin, and the discharging pipe of the discharging device is inserted into the top of the recycling bin. The device adopts microwave and high temperature steam to carry out compound disinfection, and the disinfection is fast, effectual, small, can carry out the innocent treatment of medical waste in fact on the spot.

Description

Miniaturized medical waste innocent treatment device

Technical Field

The utility model relates to a medical waste treatment device, in particular to a miniaturized medical waste harmless treatment device.

Background

Medical waste treatment requires disinfection. Because the existing treatment device has large volume and complex operation, the medical waste is mainly treated in a centralized way. However, the centralized treatment needs to transport medical wastes, which increases the safety risk and complicates the supervision process. If the disinfection treatment of medical waste can be directly carried out in a hospital, the risk can be reduced, and the supervision is easy.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a small-size medical waste innocent treatment device that area is little, degree of automation is high, easy operation, be suitable for hospital to handle medical waste on the spot, concrete technical scheme is:

the utility model provides a miniaturized medical waste innocent treatment device, includes loading attachment, steam generator, electric gate valve and a plurality of microwave generator, still includes: the feeding bin is positioned on one side of the feeding device, and the feeding device is used for dumping the medical waste in the turnover box into the feeding bin; the crushing device is arranged at the outlet of the feeding bin and is used for crushing medical waste; the feeding inlet of the feeding device is connected with the crushing outlet of the crushing device; the sterilizing feed port of the sterilizing bin is connected with the feeding and discharging port of the feeding device through the electric gate valve, the sterilizing bin is also connected with the steam generator, and the plurality of microwave generators are fixed on the sterilizing bin; the waste gas treatment device is connected with the exhaust port of the disinfection bin; and the discharging device is arranged at the disinfection discharging opening of the disinfection bin, and the discharging pipe of the discharging device is inserted into the top of the recycling bin.

Preferably, the device further comprises a bin closing device, wherein the bin closing device comprises: the top sealing plate is fixed at the top of the feed bin; the movable sealing plate is slidably mounted on the feeding bin and is positioned on one side of the top sealing plate; and the two ends of the feeding cylinder are respectively connected with the movable sealing plate and the top sealing plate and are used for opening and closing the movable sealing plate.

Further, still include pan feeding degassing unit, pan feeding degassing unit includes ultraviolet lamp and/or spraying degassing unit, pan feeding degassing unit installs in going into the feed bin for disinfect to medical waste.

The negative pressure disinfection device is used for enabling the feeding bin to form negative pressure and disinfecting and treating sucked air entering the feeding bin, and the negative pressure disinfection device is further connected with the waste gas treatment device.

Preferably, the sterilization chamber comprises: the sterilizing cylinder is provided with a sterilizing feed port, a sterilizing discharge port, a steam inlet and a plurality of microwave holes, the electric gate valve is arranged on the sterilizing feed port, the steam inlet is connected with the steam generator, and the microwave generator is fixed on the microwave holes; the pressure relief valve is arranged on the disinfection cylinder; the bin gate is hinged to the disinfection discharge port of the disinfection barrel and used for sealing the disinfection discharge port; the door opening device is respectively connected with the disinfection cylinder and the bin door and is used for opening the bin door; the door locking device is arranged on the disinfection cylinder, is movably connected with the bin door and is used for locking the bin door; and the stirring device is arranged in the disinfection cylinder and is used for stirring materials and discharging the materials.

Preferably, the stirring device includes: the sealing bearing seat is fixed at one end of the disinfection cylinder; the fixed bracket is fixed in the disinfection cylinder and is positioned at one end of the bin gate; the tail bearing block is fixed on the fixed support; the two ends of the stirring shaft are respectively fixed on the sealing shaft seat and the tail bearing seat, and the stirring shaft is provided with a plurality of stirring blades; and the stirring motor is fixed on the sealing bearing seat and is connected with the stirring shaft.

Further, the door locking device includes: the fixed locking ring is fixed at one end of the sterilizing cylinder and is provided with a rotating groove; the rotary ring is rotatably arranged in the rotary groove, a plurality of slots are arranged on the locking ring in an annular array and are communicated with the locking groove; the two ends of the rotary cylinder are respectively and rotatably connected with the disinfection cylinder and the movable locking ring and are used for driving the movable locking ring to rotate; the annular array is equipped with a plurality of locking blocks on the door, the locking block with the slot phase-match is used for through the slot inserts locking inslot.

Preferably, the method further comprises the following steps: the container body, be equipped with feeding window on the container body, loading attachment, steam generator, income feed bin, reducing mechanism, material feeding unit, disinfection storehouse, exhaust treatment device and discharging device all install in the container body, loading attachment is located one side of feeding window, discharging device's discharging pipe is located the outside of container body.

Preferably, the method further comprises the following steps: the feeding baffle is slidably arranged on the feeding window; and

the feeding cylinder is fixed on the container body and connected with the feeding baffle.

Further, the method also comprises the following steps: the ultraviolet lamp is arranged in the container body; and the ozone device is arranged in the container body.

Compared with the prior art the utility model discloses following beneficial effect has:

the utility model provides a pair of miniaturized medical waste innocent treatment device adopts microwave and high temperature steam to carry out compound disinfection, and the disinfection is fast, effectual and small, easy operation, can realize that hospital, isolation point carry out medical waste's innocent treatment on the spot, can not produce pollution such as no dioxin, VOCs.

Drawings

FIG. 1 is a perspective view from a first perspective of a first embodiment;

FIG. 2 is a perspective view from a second perspective of the first embodiment;

FIG. 3 is a top view of the first embodiment;

FIG. 4 is a schematic structural view of a feeding device;

FIG. 5 is an assembly schematic of the input bin, the crushing device and the feeding device;

FIG. 6 is a perspective view of FIG. 5;

FIG. 7 is a schematic view of the construction of the crushing apparatus;

FIG. 8 is a schematic view of the sterilization chamber;

FIG. 9 is a top view of the sterilization chamber;

FIG. 10 is a cross-sectional view of the sterilization chamber;

FIG. 11 is a schematic view of the structure of the bin door and the door opening device;

FIG. 12 is a schematic view of the structure of the door locking device;

FIG. 13 is a schematic structural view of the movable locking ring;

FIG. 14 is a schematic view of the structure of the stirring apparatus;

FIG. 15 is a schematic view of the structure of the discharging device;

FIG. 16 is a schematic structural view of the second embodiment;

FIG. 17 is a plan view of the second embodiment.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 15, a small-sized harmless treatment device for medical waste comprises a feeding device 11, a steam generator 61, an electric gate valve 32, a microwave generator 51, a feeding bin 21, a feeding disinfection device, a crushing device 25, a feeding device 31, a disinfection bin 4, an exhaust gas treatment device 63, a discharging device 33, a negative pressure disinfection device 64 and a water softener 62.

The feeding device 11 is a chain type feeding device, and for the existing production product, not described in detail herein, the feeding device 11 can turn over the turnover box 12 for storing medical waste, and dump the medical waste into the feeding bin 21. Automatic feeding is realized to loading attachment 11, and the material loading is laborsaving. The loading frame 111 of the loading device 11 is provided with a weighing sensor, and the weighing sensor can weigh the weight of the medical waste, so that the subsequent disinfection time can be controlled conveniently.

The material inlet bin 21 is installed at the top of the material inlet frame 26, the material inlet frame 26 is connected with the feeding device 11, the material inlet bin 21 is located on one side of the feeding device 11, and when the turnover box 12 is turned over, the top of the material inlet bin 21 is just located below the turnover box 12.

The feeding bin 21 is provided with a bin sealing device which comprises a top sealing plate 22, a movable sealing plate 24 and a feeding cylinder. The top sealing plate 22 is fixed at the top of the feeding bin 21, a feeding inlet 23 is reserved on the top, sliding grooves are symmetrically formed in two sides of the feeding inlet 23, and the movable sealing plate 24 is inserted into the sliding grooves in a sliding mode; two ends of the feeding cylinder are respectively connected with the movable sealing plate 24 and the top sealing plate 22, and the feeding cylinder is arranged in parallel with the movable sealing plate 24. The movable sealing plate 24 is opened when the piston rod of the feeding air cylinder extends out, the movable sealing plate 24 is closed when the piston rod of the feeding air cylinder retracts, the feeding inlet 23 is sealed by the movable sealing plate 24, the sealing of the feeding bin 21 is realized, odor is prevented from overflowing, a closed environment is formed for treatment, the medical waste is prevented from flying out of the feeding bin 21, and no dust is ensured.

The feed sterilizing device is installed in the feed bin 21 for sterilizing medical wastes. The feeding disinfection device comprises an ultraviolet lamp and a spray disinfection device. The ultraviolet lamp is installed on the top sealing plate 22 and is located inside the feeding bin 21. The spray disinfection device has a nozzle mounted on the top closure plate 22 for spraying the disinfectant. The spray disinfection device is an existing mature product and will not be described in detail here.

The negative pressure sterilizing device 64 is internally provided with a negative pressure fan, an ultraviolet lamp, active carbon, a primary filter screen and a high-efficiency filter screen for primary treatment of waste gas. Negative pressure degassing unit 64 is connected with income feed bin 21 through the pipeline, carries out convulsions to going into feed bin 21 to the messenger goes into the interior negative pressure that forms of feed bin 21, avoids the foul smell excessive, prevents simultaneously that kibbling powder from overflowing, and the security is high. The negative pressure disinfection device 64 is also connected with the waste gas treatment device 63, and the waste gas after primary treatment is conveyed to the waste gas treatment device 63 for further treatment, so that the emission standard is met. The negative pressure sterilizing device 64 and the waste gas treating device 63 are all existing mature products and will not be described in detail. The exhaust gas treatment device 63 performs exhaust gas treatment by means of spraying, filtering, UV photolysis, plasma, activated carbon and the like, so that the exhaust gas reaches the emission standard.

The crushing device 25 is a shredder for crushing medical waste, can realize material pressing and arch breaking, and can prevent winding and crushing, and the crushing granularity is less than 2cm. The crushing device 25 is fixed on the feeding frame 26 and is connected with the bottom of the feeding bin 21. The bottom of the crushing device 25 is provided with a crushing discharge barrel 251, and the crushing discharge barrel 251 forms a crushing discharge port.

The feeding device 31 is a screw feeder, one end of the feeding device 31 is provided with a feeding hopper 311, the feeding hopper 311 forms a feeding inlet, and the feeding hopper 311 is hermetically connected with the crushing discharging barrel 251. The other end of the feeding device 31 is provided with a feeding and discharging pipe 312, the feeding and discharging pipe 312 forms a feeding and discharging port, and the feeding and discharging pipe 312 is connected with the electric gate valve 32.

The disinfection bin 4 comprises a disinfection cylinder 41, a pressure release valve 52, a bin door 42, a door opening device, a door locking device and a stirring device. Wherein, the sterilizing cylinder 41 is cylindrical, one end of the sterilizing cylinder 41 is opened, and a sterilizing discharge hole is formed at the opening; the other end of the sterilizing cylinder 41 is closed by an end plate 411, the sterilizing cylinder 41 is horizontally arranged, and two supporting frames 415 are arranged at the bottom. The top of disinfection section of thick bamboo 41 is equipped with disinfection feed inlet 412 and steam inlet 413, and disinfection feed inlet 412 is connected with electric gate valve 32, opens during the electric gate valve 32 feeding, closes during the disinfection to make disinfection storehouse 4 inside can form certain high pressure. The steam inlet 413 is connected to the steam generator 61 through a pipe for inputting steam. The top of the disinfection cylinder 41 is also provided with a pressure relief valve 52, a safety valve, a thermometer 53 and a pressure gauge 54. The pressure relief valve 52 is connected to the exhaust gas treatment device 63, and when pressure is relieved, the exhaust gas is discharged into the exhaust gas treatment device 63 for treatment, so that the discharged exhaust gas meets the emission standard. Three connecting cylinders 414 are respectively arranged on two sides of the top of the sterilizing cylinder 41, the connecting cylinders 414 are communicated with the inside of the sterilizing cylinder 41, and the microwave generator 51 is fixed on the connecting cylinders 414 and emits microwaves to the inside of the sterilizing cylinder 41 through the connecting cylinders 414. The end plate 411 is provided with an observation window 55 through which the inside of the case can be observed. The bottom of the sterilizing cylinder 41 is provided with a drain pipe 416. The door 42 is fixed to the opening end of the sterilizing drum 41 by a hinge 433.

The door opening device comprises a door opening cylinder 43, the tail part of the door opening cylinder 43 is rotatably installed on the disinfection cylinder 41 through a first connecting seat 431, the tail end of a piston of the door opening cylinder 43 is rotatably connected with one side of the bin door 42 through a first fisheye joint 432, the bin door 42 is closed when a piston rod of the door opening cylinder 43 extends out, the bin door 42 is opened when the piston rod of the door opening cylinder 43 retracts, and the bin door 42 is automatically opened and closed. An electronic pressure gauge 56 is arranged on the bin gate 42 and used for remote monitoring, so that supervision is facilitated, and safety is improved.

The door-locking device includes a stationary lock ring 44, a movable lock ring 45, a rotary cylinder 46, and a stopper 47. Wherein, the fixing lock ring 44 is welded at the opening end of the sterilizing cylinder 41, and the fixing lock ring 44 is provided with an annular rotating groove 441 and a sealing groove 442. Seal groove 442 is used to mount a seal ring. The movable locking ring 45 is provided with a locking groove 452, a rotating ring 451 and a locking ring 453, the rotating ring 451 and the locking ring 453 are respectively positioned at two sides of the locking groove 452, the rotating ring 451 is rotatably installed in the rotating groove 441, a plurality of inserting grooves 454 are arranged on the locking ring 453 in an annular array, and the inserting grooves 454 are communicated with the locking groove 452. The limiting blocks 47 are provided with a plurality of limiting blocks and are all fixed on the sterilizing cylinder 41, and the limiting blocks 47 are arranged around the movable locking rings 45 in an annular array mode and are used for limiting the movable locking rings 45 to rotate in the rotating grooves 441, so that the safety of the locking rings 453 is improved. The number of the rotary air cylinders 46 is two, and the two rotary air cylinders are respectively located at the top and the bottom of the disinfection cylinder 41, the tail part of the rotary air cylinder 46 is rotatably installed on the disinfection cylinder 41 through a second connecting seat 461, and the tail end of the piston rod of the rotary air cylinder 46 is rotatably connected with the movable lock ring 45 through a second fisheye joint 462. The movable lock ring 45 can be pushed to rotate when the piston rod of the rotary cylinder 46 extends and retracts. The circular array on the door 42 has a plurality of locking blocks 421, and the locking blocks 421 match with the slots 454 for inserting into the locking slots 452 through the slots 454. The locking groove 452 is in contact with the sealing ring to achieve sealing.

The stirring device comprises a sealing bearing seat 482, a fixed bracket 486, a tail bearing seat 485, a stirring shaft 483 and a stirring motor 481. Wherein, a plurality of skeleton sealing rings are arranged in the sealing bearing seat 482, the sealing bearing seat 482 is fixed on the end plate 411 of the sterilizing cylinder 41, and the stirring motor 481 is fixed on the sealing bearing seat 482. A fixed bracket 486 is fixed to the stationary lock ring 44, a tail bearing housing 485 is fixed to the fixed bracket 486, and the tail bearing housing 485 is coaxial with the seal bearing housing 482 and with the sterilizing cartridge 41. The both ends of (mixing) shaft 483 are fixed respectively on sealed bearing frame 482 and afterbody bearing frame 485, are equipped with a plurality of stirring vane 484 on the (mixing) shaft 483, and stirring vane 484 annular array sets up, still sets up along the axis array of (mixing) shaft 483, and the one end of (mixing) shaft 483 still is connected with agitator motor 481.

The water softener 62 is connected to the steam generator 61 for supplying water to the steam generator 61.

Discharging device 33 is a screw feeder, one end of discharging device 33 is provided with discharging feed hopper 331, discharging feed hopper 331 forms a discharging feed inlet, discharging feed hopper 331 is fixed on discharging frame 333, and is located below the disinfection discharge outlet of disinfection bin 4. The other end of the discharging device 33 is provided with a discharging pipe 332, and the discharging pipe 332 is positioned at the top of the recycling bin 34 to send the sterilized medical wastes into the recycling bin 34.

The discharging device 33 and the feeding device 31 adopt the inclined spiral feeders to convey materials, so that the occupied area is reduced, the volume is small, the whole device adopts a modular structure, the assembly is convenient, the volume is small, the daily treatment capacity is 150-500 kilograms, the local deployment of hospitals and isolation points can be realized, and the flexible transportation and the maneuvering deployment can also be realized.

The steam sterilization temperature is 130-145 deg.C, the pressure is 0.33MPa, the microwave frequency is 2450MHz, the sterilization time is 3-5min, and the water consumption is 0.07L/Kg. The composite sterilization and disinfection method has the advantages that various means such as UVC deep ultraviolet, high-temperature steam, microwave radiation, chemical disinfectant spraying and the like are adopted, the composite sterilization and disinfection are carried out in the whole treatment process, thorough and efficient harmless treatment is realized, pollution such as dioxin is avoided, and the use is simple.

During operation, pack medical waste into turnover case 12, insert turnover case 12 on loading frame 111 of loading attachment 11, loading frame 111 rises to the top of loading frame 111, and turnover case 12 overturns, the piston rod of pan feeding cylinder stretches out, movable closing plate 24 opens, medical waste in turnover case 12 gets into feed bin 21 through pan feeding import 23 in, then the piston rod retraction of pan feeding cylinder, movable closing plate 24 seals into feed bin 21, the ultraviolet lamp in the feed bin 21 is opened, spraying sterilizing device sprays the disinfectant, reducing mechanism 25 begins to smash medical waste, smash medical waste into 2 cm's particle, negative pressure sterilizing device 64 starts while smashing, negative pressure sterilizing device 64 carries out convulsions to going into feed bin 21, and handle inhaled waste gas. The crushed medical waste falls into a feeding hopper 311 of a feeding device 31, the feeding device 31 lifts the medical waste upwards to the top of the disinfection bin 4, an electric gate valve 32 is opened, the medical waste enters the disinfection bin 4 through a disinfection feeding hole 412, then the electric gate valve 32 is closed, a pressure release valve 52 is closed, and a bin door 42 is locked; then, the microwave generator 51 is turned on to apply 2450MHz microwaves to the medical waste, and when the microwaves are absorbed by the medical waste, polar molecules of the medical waste rapidly oscillate at 2450MHz per second, so that the molecules collide with each other to generate a large amount of frictional heat, thereby rapidly heating the medical particles. The microwave disinfection mode is convenient to use and high in disinfection efficiency for disinfecting medical wastes. Meanwhile, steam is fed through a steam inlet 413 of the sterilizing cylinder 41, high-temperature steam with the pressure not more than 0.5MPa and the temperature not more than 158 ℃ is injected, so that the pressure inside the sterilizing cylinder 41 is kept between 0.33 and 0.5MPa, and the temperature is kept between 130 and 145 ℃. Meanwhile, the stirring motor 481 is started, medical waste is turned and stirred through the stirring blades 484, the materials are uniformly heated and pressed, microwave radiation is received, and the disinfection effect is greatly improved under the combined action of high-temperature steam and microwaves. The medical waste is acted by the high-pressure high-temperature steam and the microwave radiation in the disinfection cylinder 41 for about 3-5 minutes, the microwave generator 51 is closed, the steam is closed, the stirring motor 481 is closed, the pressure relief valve 52 is opened, and the waste gas is conveyed to the waste gas treatment device 63 for waste gas treatment, so that the waste gas is discharged after meeting the standard. After the sterilizing cylinder 41 is decompressed, a piston rod of the rotary cylinder 46 extends out, the movable lock ring 45 rotates to the slot 454 to be aligned with the locking block 421, then the piston of the door opening cylinder 43 retracts, the door 42 is automatically opened, the stirring motor 481 is started, the medical waste subjected to sterilization and harmless treatment is discharged out of the sterilizing cylinder 41 through the sterilizing discharge hole, the medical waste enters the discharge feed hopper 331 of the discharging device 33 and is then conveyed into the recycling bin 34 through the discharging device 33, and the recycled medical waste is conveyed to a landfill or an incineration power plant for subsequent treatment. By repeating the above procedures, the efficient harmless treatment of the medical waste can be continuously realized.

Example two

On the basis of the first embodiment, as shown in fig. 16 and 17, the device further includes a container body 71, a feeding window 711 is provided on the container body 71, the feeding device 11, the steam generator 61, the feeding bin 21, the crushing device 25, the feeding device 31, the sterilizing bin 4, the exhaust gas treatment device 63, the negative pressure sterilizing device 64, the discharging device 33 and the water softener 62 are all installed in the container body 71, the feeding device 11 is located on one side of the feeding window 711, the discharging pipe 332 of the discharging device 33 is located outside the container body 71, and the exhaust gas treatment device 63 and the negative pressure sterilizing device 64 are all installed on the top of the container body 71. The feeding device 11 and the steam generator 61 are respectively positioned at two ends of the container body 71, and the disinfection bin 4 is positioned between the feeding device 11 and the steam generator 61.

The feeding window 711 is provided with a feeding baffle plate 72 in a sliding manner, the feeding baffle plate 72 is connected with a piston rod of a feeding cylinder 73, and the tail part of the feeding cylinder 73 is fixed on the container body 71 and used for opening and closing the feeding window 711. The feeding baffle 72 is opened during feeding, and the feeding baffle 72 is closed during the rest of the feeding process, so that a closed space is formed.

The container body 71 is also internally provided with a sterilization unit including an ultraviolet lamp and an ozone unit for sterilizing by ultraviolet rays of UVC and ozone, and sterilizing the air in the inner space of the apparatus in an unmanned state when the apparatus is in operation or is stopped.

A small-sized harmless treatment device for medical waste automatically feeds materials through a feeding device, so that one-man operation is realized, the feeding is labor-saving, preliminary disinfection is performed when the materials are crushed, and meanwhile, negative pressure crushing is formed, so that the leakage of powder is avoided; through high-temperature steam and microwave radiation disinfection, efficient, the disinfection is thorough to realize safe emission through negative pressure device and exhaust treatment device, realize integrating through the container body, can transport in a flexible way, motor-driven deployment.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a miniaturized medical waste innocent treatment device, includes loading attachment (11), steam generator (61), electric gate valve (32) and a plurality of microwave generator (51), its characterized in that still includes:

the feeding bin (21), the feeding bin (21) is positioned at one side of the feeding device (11), and the feeding device (11) is used for dumping the medical waste in the turnover box (12) into the feeding bin (21);

a crushing device (25), the crushing device (25) being installed at an outlet of the inlet bin (21) for crushing medical waste;

the feeding device (31), the feeding inlet of the feeding device (31) is connected with the crushing outlet of the crushing device (25);

the sterilization inlet (412) of the sterilization bin (4) is connected with the feeding and discharging hole of the feeding device (31) through the electric gate valve (32), the sterilization bin (4) is further connected with the steam generator (61), and the microwave generators (51) are fixed on the sterilization bin (4);

the waste gas treatment device (63), the waste gas treatment device (63) is connected with the exhaust port of the disinfection cabin (4); and

the discharging device (33) is characterized in that a discharging and feeding hole of the discharging device (33) is positioned at a sterilizing and discharging hole of the sterilizing bin (4), and a discharging pipe (332) of the discharging device (33) is inserted into the top of the recycling bin (34).

2. The miniaturized medical waste harmless treatment device according to claim 1, further comprising a bin closing device, wherein the bin closing device comprises:

the top sealing plate (22), the top sealing plate (22) is fixed on the top of the feed bin (21);

the movable sealing plate (24) is slidably mounted on the feeding bin (21) and is positioned on one side of the top sealing plate (22); and

and the two ends of the feeding cylinder are respectively connected with the movable sealing plate (24) and the top sealing plate (22) and are used for opening and closing the movable sealing plate (24).

3. The small harmless treatment device for medical wastes according to claim 2, further comprising an inlet sterilizing device, wherein the inlet sterilizing device comprises an ultraviolet lamp and/or a spray sterilizing device, and the inlet sterilizing device is installed in the inlet bin (21) and is used for sterilizing the medical wastes.

4. The miniaturized medical waste harmless treatment device according to claim 3, further comprising a negative pressure disinfection device (64), wherein the negative pressure disinfection device (64) is connected with the feeding bin (21), the negative pressure disinfection device (64) is used for enabling the feeding bin (21) to form negative pressure and disinfecting and treating sucked air in the feeding bin (21), and the negative pressure disinfection device (64) is further connected with the waste gas treatment device (63).

5. The miniaturized medical waste innocent treatment device according to claim 1, wherein the disinfection bin (4) comprises:

the sterilization device comprises a sterilization cylinder (41), wherein a sterilization feed port (412), a sterilization discharge port, a steam inlet (413) and a plurality of microwave holes are formed in the sterilization cylinder (41), an electric gate valve (32) is installed on the sterilization feed port (412), the steam inlet (413) is connected with a steam generator (61), and a microwave generator (51) is fixed on the microwave holes;

a pressure relief valve (52), said pressure relief valve (52) mounted on said disinfection cartridge (41);

the bin gate (42) is hinged to the disinfection discharge port of the disinfection barrel (41) and used for closing the disinfection discharge port;

the door opening device is respectively connected with the sterilizing barrel (41) and the bin door (42) and is used for opening the bin door (42);

the door locking device is arranged on the sterilizing barrel (41), is movably connected with the bin door (42) and is used for locking the bin door (42); and

and the stirring device is arranged in the disinfection cylinder (41) and is used for stirring materials and discharging the materials.

6. The miniaturized medical waste harmless treatment device according to claim 5, wherein the stirring device comprises:

a seal bearing seat (482), wherein the seal bearing seat (482) is fixed at one end of the disinfection cylinder (41);

a fixed bracket (486), wherein the fixed bracket (486) is fixed in the disinfection cylinder (41) and is positioned at one end of the bin gate (42);

the tail bearing seat (485) is fixed on the fixed bracket (486);

the stirring shaft (483), both ends of the stirring shaft (483) are fixed on the sealed bearing block (482) and the tail bearing block (485) respectively, and the stirring shaft (483) is provided with a plurality of stirring blades (484); and

the stirring motor (481) is fixed on the sealing bearing seat (482) and is connected with the stirring shaft (483).

7. The miniaturized medical waste harmless treatment device according to claim 5, wherein the door locking device comprises:

the fixed lock ring (44), the said fixed lock ring (44) is fixed on one end of the said sterilizing cylinder (41), there are rotating slots (441) on the said fixed lock ring (44);

the locking device comprises a movable locking ring (45), wherein a locking groove (452), a rotating ring (451) and a locking ring (453) are arranged on the movable locking ring (45), the rotating ring (451) and the locking ring (453) are respectively positioned at two sides of the locking groove (452), the rotating ring (451) is rotatably installed in a rotating groove (441), a plurality of inserting grooves (454) are arranged on the locking ring (453) in an annular array, and the inserting grooves (454) are communicated with the locking groove (452); and

the two ends of the rotary air cylinder (46) are respectively and rotatably connected with the sterilizing cylinder (41) and the movable locking ring (45) and used for driving the movable locking ring (45) to rotate;

the annular array is equipped with a plurality of locking pieces (421) on door (42), locking piece (421) with slot (454) phase-match is used for through slot (454) insert in locking groove (452).

8. The miniaturized harmless treatment device for medical waste according to any one of claims 1 to 7, further comprising: container body (71), be equipped with feeding window (711) on container body (71), loading attachment (11), steam generator (61), pan feeding storehouse (21), reducing mechanism (25), material feeding unit (31), disinfection storehouse (4), exhaust treatment device (63) and discharging device (33) are all installed in container body (71), loading attachment (11) are located one side of feeding window (711), discharging pipe (332) of discharging device (33) are located the outside of container body (71).

9. The miniaturized harmless treatment device for medical waste of claim 8, further comprising:

a feed baffle (72), said feed baffle (72) being slidably mounted on said feed window (711); and

the feeding cylinder (73), feeding cylinder (73) are fixed on container body (71), and with feeding baffle (72) are connected.

10. The miniaturized harmless treatment device for medical waste of claim 8, further comprising:

an ultraviolet lamp mounted within the container body (71); and

an ozone device mounted within the container body (71).

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